Heidarkhani Shapour; Moradi Shahin; Caristi Giuseppe; Ferrara Massimiliano: Critical points approaches for multiple solutions of a quasilinear periodic boundary value problem. (2024)
Graef John R.; Heidarkhani Shapour; Kong Lingju; Moradi Shahin: Multiple solutions to a quasilinear periodic boundary value problem with impulsive effects. (2024)
Heidarkhani Shapour; Moradi Shahin; Tersian Stepan A.: Three solutions for second-order boundary-value problems with variable exponents. (2018)